Home / 1,911,101.10-2,637,252.45-1,051,639.26

Finding the Fourth Proportional to 1,911,101.10, 2,637,252.45 and 1,051,639.26

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Solution

The fourth proportional to 1,911,101.10, 2,637,252.45 and 1,051,639.26 is: 1,451,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,101.10 : 2,637,252.45 = 1,051,639.26 : x
  2. Step 2: Convert to fraction form
    1,911,101.10/2,637,252.45 = 1,051,639.26/x
  3. Step 3: Cross multiply
    1,911,101.10x = 2,637,252.45 × 1,051,639.26
  4. Step 4: Simplify right side
    1,911,101.10x = 2,773,438,214,951.19
  5. Step 5: Solve for x
    x = 2,773,438,214,951.19/1,911,101.10
  6. Step 6: Final answer
    x = 1,451,225.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.